Electrical heater for injection-molding machine



FIG. 1 is a large-scale front side view of a center portion of the electrical heater;

FIG. 2 is a large-scale back side view of the center portion showing a center marking;

FIG. 3 is a smaller-scale side view of an end of the heater, the other end being identical;

FIG. 4 is a small-scale view of the entire heater;

FIG. 5 is a perspective view of the end portion as in FIG. 3;

FIG. 6 is a large-scale end view of the heater; and,

FIGS. 7, 8, 9, and 10 are views like respective FIGS. 3, 4, 5, and 6 of a variant of the heater with a smooth rather than a threaded connection pin. 

CLAIM The ornamental design for an electrical heater for injection-molding machine, as shown and described. 